Add dependabot script to keep CI tasks updated

[jishnub]

No description provided.

[codecov]

Codecov Report

Patch coverage: 71.69% and project coverage change: +9.32 🎉

Comparison is base (64969bd) 69.39% compared to head (88152b9) 78.72%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #30      +/-   ##
==========================================
+ Coverage   69.39%   78.72%   +9.32%     
==========================================
  Files           2        2              
  Lines         183      188       +5     
==========================================
+ Hits          127      148      +21     
+ Misses         56       40      -16     

Impacted Files	Coverage Δ
src/fft.jl	79.23% <71.69%> (+9.57%)	⬆️

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